Senior Application Performance Engineer

Vervic Inc.•Washington, DC

15h•$140,000 - $190,000

About The Position

The Senior Application Performance Engineer diagnoses and optimizes application performance end to end, working across applications, operating systems, middleware, and network layers. The role focuses on high-impact issues affecting users’ quality of experience and includes ownership of optimization efforts from root-cause identification through resolution planning and performance improvement. The position requires self-management of task priorities in a high-tempo environment. The engineer analyzes application architecture, DNS, load balancers, and firewalls to find bottlenecks; performs root-cause analysis for latency, throughput, and availability problems; and collaborates with development, systems, and network teams to implement solutions. The role also includes mentoring less-senior engineers in monitoring, instrumentation, and performance troubleshooting. The position is based in Washington, DC.

Requirements

At least 8 years of experience in application performance optimization, systems, or network engineering in secure or cleared environments.
Active TS clearance; must be able to obtain TS/SCI.
Demonstrated progressive responsibility and ownership indicative of senior expertise.
DoD 8140 compliance required.
Expertise in application and middleware performance monitoring for web applications, databases, and APIs.
Deep understanding of TCP/IP, DNS, HTTP/S, SSL/TLS, and related protocols.
Expertise and hands-on experience with load balancers, firewalls, and packet capture/analysis tools such as Wireshark and tcpdump.

Nice To Haves

Familiarity with APM platforms and system-level troubleshooting across operating system and network layers.

Responsibilities

Diagnose and optimize application performance end to end, from operating systems and middleware to packet-level analysis.
Analyze DNS, load balancers, firewalls, and application architecture to identify bottlenecks and inefficiencies.
Collaborate with development, systems, and network teams to implement optimization solutions.
Perform root-cause analysis for latency, throughput, and availability issues, and drive remediation and efficiency improvements.
Mentor less-senior engineers in monitoring, instrumentation, and performance troubleshooting.
Self-manage task lists according to communicated priorities.